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Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> Newsgroups: sci.math Subject: Re: New equation Date: Sun, 2 Mar 2025 12:54:37 -0800 Organization: A noiseless patient Spider Lines: 28 Message-ID: <vq2gid$ugus$2@dont-email.me> References: <CJRYb90R4pKx6LHEBcCdcCA4y30@jntp> <k8ycnepSIp40ZVz6nZ2dnZfqn_idnZ2d@giganews.com> <655553fb-adc2-4d01-87af-d7d7d6d917c6@att.net> <JOydnXAoj_h03F_6nZ2dnZfqnPWdnZ2d@giganews.com> <08636921-5882-4fd8-abe1-bb5f36db3bf3@att.net> <AO6dnczUKaq7DV76nZ2dnZfqnPhg4p2d@giganews.com> <9bb0ee70-f267-4aa1-907d-84726aae7030@att.net> <HLOdndo2ZJypI176nZ2dnZfqn_gAAAAA@giganews.com> <5bb69733-e58b-4e30-ae43-e2523e66983f@att.net> <2z3nZJiAutJn82givDx641Nzg4k@jntp> <S4a_khwZYWDpB1pOlGeNtk3F4Us@jntp> <vq24q4$sbls$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 02 Mar 2025 21:54:38 +0100 (CET) Injection-Info: dont-email.me; posting-host="211b8466cb4c170d18c67d56277f0112"; logging-data="1000412"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+tS39bc+juBNmwgvEsE+9As3boGtjNaq8=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:l2mfiW8oZPo0gkdpGp/QPBFNosk= In-Reply-To: <vq24q4$sbls$1@dont-email.me> Content-Language: en-US On 3/2/2025 9:33 AM, efji wrote: > Le 02/03/2025 à 18:10, Python a écrit : >> Le 02/03/2025 à 17:32, Richard Hachel a écrit : >>> Le 02/03/2025 à 06:06, Jim Burns a écrit : >>> ⎜ >>>> (a+b𝑖)+(c+d𝑖) = (a+c)+(b+d)𝑖 >>> >>> Yes. >>> >>>> (a+b𝑖)⋅(c+d𝑖) = (ac-bd)+(ad+bc)𝑖 >>> >>> No. >>> >>> (a+b𝑖)⋅(c+d𝑖) = (ac+bd)+(ad+bc)𝑖 >>> >>> >>> In all thing : (a+b𝑖)⋅(c+d𝑖) = (ac+bd)+(ad+bc)𝑖 >>> >> >> This is true in R(j) not in C. >> >> I posted about this yesterday. Did you even read my post? >> > > He probably read it and did not understand a single word :) > Yikes!